整合空间和碎形分析来评估城市绿地
Ipek Yilmaz1, Azize Uyar1, Derya Ozturk2
1Department of Geomatics Engineering, Ondokuz Mayis University, Samsun, 55139, Turkey.
Environmental monitoring and assessment
|August 7, 2025
概括
这项研究评估了土耳其萨姆森的城市绿地,使用空间和碎形分析. 调查结果显示,城市内部存在显著的差异,强调需要为公平的绿色基础设施进行综合规划.
科学领域:
- 城市规划与可持续发展
- 地理信息系统 (GIS) 和远程传感
- 环境科学 环境科学
背景情况:
- 准确评估城市绿地对于宜居性和可持续城市发展至关重要.
- 了解绿色空间的分布和形态是有效城市规划的关键.
- 现有的方法可能无法完全捕捉到城市绿色基础设施的复杂性.
研究的目的:
- 调查土耳其萨姆逊的绿色空间分布和形态,使用综合空间和碎形分析.
- 为评估城市绿地服务水平 (UGASL) 开发一个强大且可扩展的框架.
- 确定城市内绿地可用性和质量的差异.
主要方法:
- 标准化差异植被指数 (NDVI) 来自Sentinel-2A/2B图像,用于绿色区域的识别.
- 应用Otsu的自动和手动值对分类准确性的应用.
- 空间指标 (PCGS,UGSI,UGDI) 和碎形度量 (碎形维度,缺口指数) 用于全面评估.
- 主要组件分析 (PCA) 用于合成指标和计算UGASL.
主要成果:
- 手动值在异质的城市地区显示出更高的准确性.
- 在阿塔库姆,伊尔卡迪姆和卡尼克地区,在UGASL中发现了显著的城市内部差异.
- PCA有效地汇总了空间和碎形指标,解释了第一个组件65.8%的差异.
结论:
- 通过PCA将空间和分形指标结合起来,为城市绿色基础设施评估提供了一个强大的框架.
- 该研究强调需要有针对性的干预措施来解决绿色空间的不平等问题.
- 开发的UGASL框架支持公平和可持续的城市规划.
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